The Importance of Counterflashing on Masonry Walls
Counterflashing, also referred to as “cap” flashing, is the first line of defense against water infiltrating your building. Counterflashing is the piece of metal that is applied to the masonry wall designed to shed water off of the wall and down onto the roof surface. So, it’s critical that you choose the best counterflashing system… Read more »
The Origin of North American Roofing Slates
The National Slate Association publication Slate Roofs, printed in 1926, gives the following description of the origin of slate: “These minerals constituting slate were deposited in bodies of water and erosion and deposition accounts for the different composition in successive beds. Other materials may have been deposited over the clays, and the pressure of the… Read more »
How thick is roofing slate?
It is important when purchasing a new slate roof or slate roofing repairs that the contractor is specific as to the type and thickness of the slate proposed…. Standard Thickness: Defined as 1/4″ slate of nominal thickness, +/- 1/16″. Shingles are hand-picked to be of uniform thickness with no more than 1/8″ variation in surface… Read more »
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